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A kissing shield comprised of a thin, flexible membrane and a frame or holder.
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| Number | Title | Issue Date |
| 7325784 | Ball valve A ball valve includes symmetric first and second valve casings (100) and (200) which respectively have first and second ball seats (120) and (220), first and second coupling flanges (130) and (230), first and second lever re... | 02/05/2008 |
| 7234682 | Ball valve and method for production thereof The invention provides a ball valve excelling in economy due to the efforts devoted to the reduction of cost, enjoying light weight and high reliability, manifesting high and uniform accuracy, and enabling manufacture of compact finished products having a small inte... | 06/26/2007 |
| 7163189 | Tapping valve of plastics material for transport and storage containers for liquids A tapping valve of plastics material for transport and storage containers for liquids, which is constructed as a flap valve or ball valve, includes a valve housing with an inlet connection connectable to an outlet connection of the liquid container and an outlet con... | 01/16/2007 |
| 6916011 | Ball valve and production method therefor The invention provides a ball valve excelling in economy due to the efforts devoted to the reduction of cost, enjoying light weight and high reliability, manifesting high and uniform accuracy, and enabling manufacture of compact finished products having a small inte... | 07/12/2005 |
| 6254017 | Structure water sprayer long tube and water pipe connector A water sprayer long tube and water pipe connector, having formed along a bottom section internal threads that are followed in respective order from its water inlet end by a first polytetrafluoroethylene water sealing ring, a ball valve, and a second poly... | 07/03/2001 |
| 6029948 | Valve assembly having floating retainer rings A valve assembly including a valve housing having a fluid passageway extending through it. The fluid passageway has an inlet portion having a cross-section defined by a substantially annular inlet surface, an outlet portion having a cross-section defined ... | 02/29/2000 |
| 5913506 | Ball cock of plastics material The ball cock has a housing in which a valve ball is rotatably arranged. The sealing is effected by two sealing rings which are retained by cages. Disposed on each side of the ball cock is a spigot for welding the valve to the connecting pipes. The connec... | 06/22/1999 |
| 5901946 | Ball valve seat An improved ball valve seat including a ball valve seat body which includes a water intake connector, a ball valve seat, a limiting seat, and a water outlet seat, all of which are formed by forging. The water intake connector is provided with a through wa... | 05/11/1999 |
| 5586749 | Composite polyethylene and transition valve A valve body pressure formed from pipe components includes an annular portion for receiving a ball closure member. A pair of conduit portions are connected to the annular portion and the ball. A stem housing for rotatably supporting a valve stem extends u... | 12/24/1996 |
| 5397101 | Ball valve A ball valve construction particularly suited for forming large diameter ball valves includes a main valve body formed from extruded plastic pipe and having a central through passage with a valve ball mounted centrally therein. An operating stem extends f... | 03/14/1995 |
| 5396922 | Ball valve Plastic ball valve, with a spherical shut-off member which is provided with a passage and is rotatably accommodated in a cylindrical inner housing, and is coupled to a jack. The inner housing is accommodated in a cylindrical outer housing provided with tw... | 03/14/1995 |
| 5275191 | Ball valve An apparatus for repairing a ball valve is disclosed. Generally, the ball valve contains an inner diameter which receives a ball member, and a first and second passageway portions. The apparatus comprises a ball seat insert retainer, with the first end be... | 01/04/1994 |
| 5090447 | Transparent ball valve assembly A thermoplastic valve assembly for use in controlling the flow of corrosive fluids comprising a transparent housing having a passageway through which fluid may flow, a transparent ball disposed in the passageway for rotation between an open position and a... | 02/25/1992 |
| 5076542 | Ball-cock Ball-cock made of plastic parts with a spherical shut-off element in a housing with at first end a nesting place for a sealing ring and at the other end an end flange with also a nesting place for a sealing ring, said end flange having a radially projecti... | 12/31/1991 |
| 5067691 | Ball cock A ball cock including a housing of a thermoplastic material. The housing is composed of two parts which are integrally connected to each other. A ball plug is made integrally with a pivot of plastics material. The pivot is mounted in a bore extending tran... | 11/26/1991 |
| 4960262 | Ball valve and methods of fabrication A ball valve and a method for fabricating this ball valve wherein a ball seat, formed of a synthetic resin, is mounted at each end of a flow passage in a ball of the valve. A sealing end portion of the ball seat contacts the spherical surface of the ball ... | 10/02/1990 |
| 4936547 | Eccentric ball valve A ball valve of the type comprising a housing having a ball mounted for 90° rotation therein between open and closed valve positions utilizes a ball whose exterior surface is shaped to define two noncoaxial hemispherical surface portions of like size and... | 06/26/1990 |
| 4915133 | Valve device for piping systems A valve device adapted for insertion at one or more specified locations in a pipe system. The device is adjustable into three positions: in the open position affording normal operation of the pipe system; in a first closed position affording connection of... | 04/10/1990 |
| 4911413 | Structure for fitting a valve seat support ring in a valve port In a valve in which a valve port is opened and closed by a spherical valve disc, a valve seat is pressed and supported by a support ring. A snap ring which engages with an annular groove around the support ring is inserted together with the support ring i... | 03/27/1990 |
| 4883253 | Ball valve and methods of fabrication A ball valve and a method for fabricating this ball valve wherein a ball seat, formed of a synthetic resin, is mounted at each end of a flow passage in a ball of the valve. A sealing end portion of the ball seat contacts the spherical surface of the ball ... | 11/28/1989 |
| 4697787 | Ball valve made entirely of plastics material A ball valve made entirely of plastics material comprising a tubular casing with connection pieces which are fastened to both its ends and which together form a through passage for a medium, a ball disposed in the through passage inside the casing and pro... | 10/06/1987 |
| 4603836 | Ball valve with preloaded seals and method of manufacture A ball valve includes a ball member with a flow passage therethrough, annular recessed surfaces around the ends of the ball member flow passages, resilient seals accommodated in part within the recessed surfaces, and a flow passage member, typically the h... | 08/05/1986 |
| 4568061 | Flow control assembly A flow control assembly in which a valve member is movable in a housing between a first position in which it permits the flow of material from an inlet to said housing, through said housing and to an outlet in said housing, and a second position in which ... | 02/04/1986 |
| 4546790 | Fluid valve The fluid valve comprises an integral housing made of forged steel, the housing having tubular end portions as fluid inlet and outlet, respectively, conical transition zones having a cone angle of at least 30°, and a central enlargement joined by said tr... | 10/15/1985 |
| 4545564 | Valve Valve in which a flow-control ball and two conical seals are enclosed in a unitary housing, the housing being formed from a tube of malleable metal, the tube being formed to provide two opposed conical portions after the elements have been inserted in the... | 10/08/1985 |
| 4488573 | Apparatus for preventing thermal damage to a preformed plug during molding of a housing therearound A rotary plug valve which is of the type comprising a housing formed of a polymer and a rotary plug disposed in a through-passage of the housing. The plug is formed of a polymer and includes a bore selectively alignable with the through-passage to admit t... | 12/18/1984 |
| 4372532 | Valve A valve comprising an elastically flexible diaphragm and an annular stopper, the stopper being adapted to control shifting and flexion of the diaphragm under fluid pressure when the valve is closed in such a manner that the stopper abuts against the diaph... | 02/08/1983 |
| 4280522 | Fire seal for valves A ball valve is disclosed having two seat rings on each side of the closure member. Each seat ring is operative independently of the other and each ring is sealed with respect to both the ball and with respect to the body independently of the other seat r... | 07/28/1981 |
| 4265427 | Spherical sealtight valve for fluids A valve body for a spherical-shutter valve for gases or fluids is disclosed, said body consisting of two hemispherical hoods enclosing the shutter and to be welded along their great circle, two couples of half-rings being welded in symmetrical positions r... | 05/05/1981 |
| 4257575 | Rotary ball valve having seating rings A rotary ball valve comprises a housing formed of plastic material, the housing including a through passage. A plug formed of a plastic material is rotatably mounted in the housing and includes a ball-shaped gate having a passage which is alignable with t... | 03/24/1981 |
| 4180244 | Stopcock formed of sheet metal A stopcock with the exception of its shaft, journal and bearings, is constructed of a plurality of sheet metal parts welded together to form a housing and a plug rotatably mounted in the housing. The housing is made up of a tubular member with ring disks ... | 12/25/1979 |
| 4174825 | Ball valve with reciprocal and rotatable spindle A high pressure environmental ball valve wherein the ball valve member is tiltable into engagement under the influence of pressure into tight sealing relationship with a sealing ring at the valve outlet. The spindle is connected to the ball by a loose fit... | 11/20/1979 |
| 4174090 | Ball valve with spindle, having parallelepiped-bearing block joint portions A high pressure ball valve, the ball valve being tiltable under pressure into tight sealing engagement with a sealing ring at the outlet of the valve body. A joint is formed between the spindle and the ball to allow the tilting action of the ball, while s... | 11/13/1979 |
| 4172583 | Molded valve A valve includes a central valve component with an integral housing molded therearound. During the molding of the housing a seal is held against the valve component by spaced fingers of a tool. After molding is complete and the tool is withdrawn, plastic ... | 10/30/1979 |
| 4150810 | Machine welded obturator The invention relates to machine welded obturators of generally spherical shape for equipping rotary plug valves. These obturators are composed of a central tube and an envelope formed by two hemispherical segments of pressed sheet metal which are truncat... | 04/24/1979 |
| 4140149 | Plug cock Plug cock equipped with a rotating plug, which comprises a cylindrical body pivoting about an axis perpendicular to the axis of the cylinder and through which passes a conduit for the passage of fluid, which body comprises, at least one of its two axial e... | 02/20/1979 |
| 4072161 | Sealing member for valve stems An all-plastic valve having a unitary body has a cap assembly for excluding external contaminants from the interior of the valve while allowing venting of excess pressure from the interior.... | 02/07/1978 |
| 4054262 | Cock having a rotating valve removable from above A cock valve includes a hollow body having first and second opposite end portions with the first end portion having a circular upper aperture formed therein. A valve is rotatably positioned within the body for rotation about an axis extending between said... | 10/18/1977 |
| 4047275 | Method of assembling valves A method of assembling an all-plastic valve that assures proper positioning of the associated parts while forming a unitary, leaf-proof valve body.... | 09/13/1977 |
| 4038358 | Method of making a valve A valve includes a central valve component with an integral housing molded therearound. During the molding of the housing a seal is held against the valve component by spaced fingers of a tool. After molding is complete and the tool is withdrawn, plastic ... | 07/26/1977 |
